A lot of people that migrated to Office 2007 probably ran into the issue that the QAT (Quick Access Toolbar) is not included in the Roamind profile.

This caused a lot of frustration, until a while ago the only solution was to have logon/logoff scripts that would copy the files over to a roaming location.
But Microsoft heard the complaints and they silently released an update to address this.
You are now able to move the QAT files to the roaming part of your profile through the following steps